--- calo/flight/CaloNuclei/src/CaloNuclei.cpp	2007/05/31 10:10:52	1.7
+++ calo/flight/CaloNuclei/src/CaloNuclei.cpp	2007/11/26 08:48:24	1.11
@@ -29,11 +29,14 @@
 
 void CaloNuclei::Clear(){
   //
+  UN = 0;
   tr = 0;
   sntr = 0;
   interplane = 0;
   preq = 0.;
   postq = 0.;
+  stdedx1 = 0.;
+  ethr = 0.;
   dedx1 = 0.;
   dedx3 = 0.;
   qpremean = 0.; 
@@ -106,6 +109,7 @@
   if ( debug ) printf(" Processing event at OBT %u PKT %u time %u \n",OBT,PKT,atime);
   //
   Clear();
+  //
   if ( debug ) printf(" Always calculate stdedx1 \n");
   //
   // Always calculate stdedx1
@@ -151,21 +155,30 @@
   if ( debug ) printf(" if ( !usetrack ) return: usetrack %i ntr %i \n",usetrack,ntr);
   // 
   //
-  if ( !usetrack ) return;
+  //  if ( !usetrack ) return;
   //
   PamTrack *ptrack = 0;
   CaloTrkVar *track = 0;
-  if ( ntr >= 0 ){
-    ptrack = L2->GetTrack(ntr);
-    if ( ptrack ) track = ptrack->GetCaloTrack();
-  } else {
-    track = L2->GetCaloStoredTrack(ntr);
-  };
   //
-  if ( !track && ntr >= 0 ){
-    printf(" ERROR: cannot find any track!\n");
-    printf(" ERROR: CaloNuclei variables not completely filled \n");
-    return;   
+  if ( usetrack ){
+    if ( ntr >= 0 ){
+      ptrack = L2->GetTrack(ntr);
+      if ( ptrack ) track = ptrack->GetCaloTrack();
+    } else {
+      track = L2->GetCaloStoredTrack(ntr);
+    };
+    //
+    if ( !track && ntr >= 0 ){
+      printf(" ERROR: cannot find any track!\n");
+      printf(" ERROR: CaloNuclei variables not completely filled \n");
+      return;   
+    };
+  } else {
+    if ( ntr >= 0 ){
+      if ( debug ) printf(" ERROR: you asked not to use a track but you are looking for track number %i !\n",ntr);
+      if ( debug ) printf(" ERROR: CaloNuclei variables not completely filled \n");
+      return;       
+    };
   };
   //
   //  Float_t defethr = 6. * 0.90;
@@ -491,6 +504,7 @@
     };
     //
     qpremeanN /= (Float_t)RN;
+    UN = RN;
     //
     if ( debug ) printf(" charge is %f \n",sqrt(qpremean));
     //